Swath Data File: 00020203125010.mb183 MBIO Data Format ID: 183 Format name: MBF_HSDS2LAM Informal Description: L-DEO HSDS2 processing format Attributes: STN Atlas multibeam sonars, Hydrosweep DS2, Hydrosweep MD, Fansweep 10, Fansweep 20, bathymetry, amplitude, and sidescan, up to 1440 beams and 4096 pixels, XDR binary, L-DEO. Data Totals: Number of Records: 22 Bathymetry Data (140 beams): Number of Beams: 3080 Number of Good Beams: 2992 97.14% Number of Zero Beams: 88 2.86% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 3080 Number of Good Beams: 2992 97.14% Number of Zero Beams: 88 2.86% Number of Flagged Beams: 0 0.00% Sidescan Data (4094 pixels): Number of Pixels: 85684 Number of Good Pixels: 85684 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1596 hours Total Track Length: 3.0826 km Average Speed: 19.3165 km/hr (10.4414 knots) Start of Data: Time: 02 03 2002 12:49:45.557999 JD34 Lon: 153.9812 Lat: -31.4810 Depth: 4708.6635 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 25.4004 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4670.9216 m End of Data: Time: 02 03 2002 12:59:20.052999 JD34 Lon: 153.9930 Lat: -31.4551 Depth: 4679.6103 meters Speed: 19.6315 km/hr (10.6116 knots) Heading: 25.8179 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4674.1517 m Limits: Minimum Longitude: 153.8859 Maximum Longitude: 154.0818 Minimum Latitude: -31.5171 Maximum Latitude: -31.4160 Minimum Sonar Depth: 4.5000 Maximum Sonar Depth: 4.5000 Minimum Altitude: 4661.2262 Maximum Altitude: 4691.9524 Minimum Depth: 4354.3292 Maximum Depth: 5242.8552 Minimum Amplitude: 5.0000 Maximum Amplitude: 246.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 22 MB_DATA_DATA (ID=1): survey data DN: 17 MB_DATA_COMMENT (ID=2): comment DN: 8 MB_DATA_CALIBRATE (ID=4): Hydrosweep DS calibration ping Nonfatal Error Notices: EN: 17 MB_ERROR_COMMENT (ID=-5): Comment record EN: 8 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 1 0 0 0 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 0 0 1 1 1 1 1 1 0 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 0 0 1 1